/*
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package org.jsmpp.util;

/**
 * It's capacity policy that ensure the new capacity is save for accommodate the
 * new item with new capacity.
 * 
 * @author uudashr
 * 
 */
public interface CapacityPolicy {
    
    /**
     * Ensuring the currentCapacity is save to accommodate new items that
     * totally defined as requiredCapacity.
     * 
     * @param requiredCapacity is the required capacity.
     * @param currentCapacity is the current capacity.
     * @return the new save capacity.
     */
    int ensureCapacity(int requiredCapacity, int currentCapacity);
}
